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Introduction to Biology and Populations Ecology JEOPARDY!!
Characterstics of Life Lab Skills Ecology Overview Population Structure and Dynamics
Population Growth
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10 10 Characteristics of Life Characteristics of Life
When it’s hot outside, you sweat.
1010
Living things need to maintain homeostasis.
Characteristics of Life Characteristics of Life
2020 Characteristics of Life Characteristics of Life
If you cut yourself, a scab will form.
20 20 Characteristics of LifeCharacteristics of Life
Living things must grow and develop.
3030 Characteristics of Life Characteristics of Life Change that occurs in a species
overtime in response to the continuously changing
environment
30 30 Characteristics of LifeCharacteristics of Life
Living things evolve.
30 30 Characteristics of Life Characteristics of Life
4040 Characteristics of Life Characteristics of Life
A plant moves towards the sun.
40 Characteristics of Life 40 Characteristics of Life
Living things must be able to respond to stimuli
50 50 Characteristics of LifeCharacteristics of Life
All living organisms share similar instructions to run cell processes and
pass on hereditary information.
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Living things must have Living things must have Deoxyribose Nucleic Acid (DNA)Deoxyribose Nucleic Acid (DNA)
Characteristics of LifeCharacteristics of Life
1010
What is an independent variable?
Lab SkillsLab Skills
What the experimenter is testing, should only be 1!
1010 Lab SkillsLab Skills
2020
What is a dependent variable?What is a dependent variable?
Lab SkillsLab Skills
The biological response or what The biological response or what the experimenter measuresthe experimenter measures
2020 Lab SkillsLab Skills
3030
Why do we need controlled Why do we need controlled variables?variables?
Lab SkillsLab Skills
To ensure we are testing only one To ensure we are testing only one independent variableindependent variable
3030 Lab SkillsLab Skills
4040
What should you do with your What should you do with your hypothesis after your experiment?hypothesis after your experiment?
Lab SkillsLab Skills
*Accept- data collected in the experiment supports it.*Reject- data collected does not support it.
4040 Lab SkillsLab Skills
5050
What do we call the “placebo” What do we call the “placebo” group in an experiment, and why is group in an experiment, and why is
it essential?it essential?
Lab SkillsLab Skills
5050The Control Group- to use as a The Control Group- to use as a standard for comparison.standard for comparison.
Lab SkillsLab Skills
1010 Ecology OverviewEcology Overview
List the ecological levels of organization from least inclusive (specific) to most inclusive (broadest)
Organism, Popululation, Organism, Popululation, Community, Ecosystem, BiosphereCommunity, Ecosystem, Biosphere
1010 Ecology OverviewEcology Overview
2020
Define Ecology.Define Ecology.
Ecology OverviewEcology Overview
The study of how organisms The study of how organisms interact with their environment interact with their environment
and each other.and each other.
2020 Ecology OverviewEcology Overview
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A group of pigeons.A group of pigeons.
Ecology OverviewEcology Overview
3030 Ecology OverviewEcology Overview
Population
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In addition to populations, In addition to populations, ecosystems include…ecosystems include…
Ecology OverviewEcology Overview
4040 Ecology OverviewEcology Overview
Abiotic Factors
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The sum of all of the The sum of all of the planet’s ecosystems…planet’s ecosystems…
Ecology OverviewEcology Overview
5050 Ecology OverviewEcology Overview
BiosphereBiosphere
1010 Population StructurePopulation Structure
Define Population Density.
1010 Population StructurePopulation Structure
The number of individuals of a species per unit area or volume
2020 Population StructurePopulation Structure
How do scientists determine How do scientists determine population density and why?population density and why?
2020 Population StructurePopulation Structure
*Counting or *Counting or *Sampling Techniques- *Sampling Techniques- it’s often impossible and it’s often impossible and impractical to count all impractical to count all organism in an area.organism in an area.
3030 Population StructurePopulation Structure
Why would an organisms in a population take on clumped dispersion?
3030 Population StructurePopulation Structure
*Herding patterns*social behavior*uneven distribution of resources*mating
4040 Population StructurePopulation Structure
What are survivorship curves?What are survivorship curves?
4040 Population StructurePopulation Structure
*Graphs (curves) generated from life tables. *Looks at average life span of organisms to make determinations about population growth.
5050 Population StructurePopulation Structure
What kind of distribution would What kind of distribution would a Cresotebush in the desert take a Cresotebush in the desert take and why?and why?
5050 Population StructurePopulation Structure
Uniform- competition for water
1010
My name is Bond, Ionic Bond;Taken, not shared!
CellsCells
10 Population Growth
From: Mariano Cecowski <MCecowski#NoSpam.sif.com.ar>
Q: if both a bear in Yosemite and one in Alaska fall into the waterwhich one disolves faster?
A: The one in Alaska because it is
HIJKLMNO
10 Population Growth
Alimentary: What Sherlock Holmes said to Dr. Watson.
Urinate: What a nurse would say if a patient asked her what room he's in.
Urine - The opposite of "You're out!"Benign: What we want when we are eight.
Intestine - Currently taking an exam
CARDIOLOGY: advanced study of poker playing
TERMINAL ILLNESS: getting sick at the airport
1010 Population Growth
What are the factors that limit population growth?
1010 Population Growth
Density-dependent (competition, health, predation, physiological factors)Density-independent (acidity, salinity, fires, catastrophes, weather conditions)Boom and Bust cycles (pred/prey relationships, food supply)
1010 Population Growth
2020 Population Growth
What kind of growth model is represented below, and how is it possible?
Exponential Growth Model- conditions are ideal, Exponential Growth Model- conditions are ideal, birth rates exceed death ratesbirth rates exceed death rates
2020 Population Growth
3030 Population Growth
What are the characteristcs of the What are the characteristcs of the logistic growth model?logistic growth model?
3030 Population Growth
Idealized population growth slowed by limiting factors.
3030 Population Growth
4040 Population Growth
What is this? Analyze the data!
4040 Population Growth
Age Structure Diagram- *Decline in Population Growth*Not enough children being born to replace those who die
5050 Population Growth
What kind of growth do humans exhibit? Why is this a concern?What kind of growth do humans exhibit? Why is this a concern?
5050 Population Growth
Exponential Growth. Exponential Growth. *It’s ideal—and nothing’s perfect!*It’s ideal—and nothing’s perfect!*resources will run out*resources will run out*disease will spread*disease will spread……??
